Question: What is the space group of corundum that has point group of ditrigonal scalahedral?
Paraphrase: What is the space gather of corundum that has point gather of ditrigonal scalahedral?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q131777 wdt:P690 ?answer . ?answer wdt:P589 wd:Q13362471}
Answer: space group R-3c